Please answer urgently :
26.The following figure shows the variation of intensity of magnetisation versus the applied magnetic field intensity, Hj for two magnetic materials A and B:
(a) Identify the materials A and B.
(b) Why does the material B have a larger susceptibility than A for a given field at constant temperature?
(a)
Material A : Diamagnetic (since the slope of I and H curve is small)
Material B: Paramagnetic ( since the slope of I and H curve is big)
(b)
Reasons for larger susceptibility of B:
Material A : Diamagnetic (since the slope of I and H curve is small)
Material B: Paramagnetic ( since the slope of I and H curve is big)
(b)
Reasons for larger susceptibility of B:
- It is a paramagnetic substance
- It has more tendency to pull magnetic lines of force in the presence of magnetic field